RESTORE FAQs

FAQ1: How Many Species of Bacteria are in the Human Microbiome?

The sheer number of bacteria on the human body is huge – anywhere from 100 trillion to 1.5 quadrillion (the latter is likely more accurate). The challenge of identifying these species is due to a few factors. One is the plasticity of the microbiome, which can change from minute to minute, even swapping DNA from virus to bacteria to human. 

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